描述
ICS Triplex T8480是一款模拟量输出模块，采用三重模块化冗余（TMR）架构，适用于对可靠性要求极高的工业控制系统。以下是其产品详情：
基本信息
品牌：ICS Triplex
产品类型：模拟量输出模块
产地：美国
重量：约1.3kg
技术规格
电源：背板（IMB）电源电压为20-32VDC，功率22W；现场电源电压为18-32VDC，最大电流0.9A，最大通道电流时现场电源功耗28W。
输出通道：40个，分为5个隔离组，每组8个通道。
输出特性：24V时关断状态漏电流最大350μA；连续电流额定值为1-22mA，推荐输出电流为4-20mA；25℃时校准精度为满量程的±0.1%，0-60℃时整体精度为满量程的±0.25%；现场电压范围为18-32VDC，最大耐受电压为-1至+36VDC。
隔离：电源组之间为50V加强绝缘（连续），现场公共端为50V加强绝缘（连续），电源组内通道之间为250V基本绝缘（故障）。
事件记录：板载事件顺序（SOE）报告，分辨率为1ms。
工作温度范围：0-60℃。
功能特点
高可靠性：采用TMR架构，每个输出通道都具备三重冗余，确保在单个组件故障时仍能保持系统的稳定运行，通过IEC 61508认证，达到SIL 3级。
全面诊断：具备全面的自动诊断和自测试功能，可检测输出通道的粘连、开路和短路等故障，还能自动监测现场接线和负载设备的线路状况。
过流保护：每个通道都具有自动过流保护功能，无需外部保险丝。
热更换：模块可在线热更换，方便维护和升级。
状态指示：前面板有LED指示灯，用于显示输出状态和模块健康状况。
The ICS Triplex T8480 is an analog output module featuring triple modular redundant(TMR)architecture,suitable for industrial control systems requiring the highest reliability.The following are product details:
Basic Information
Brand:ICS Triplex
Product Type:Analog Output Module
Origin:USA
Weight:Approximately 1.3kg
Technical Specifications
Power Supply:Backplane(IMB)power supply voltage is 20-32VDC,power consumption is 22W;field power supply voltage is 18-32VDC,maximum current is 0.9A,and field power consumption is 28W at maximum channel current.
Output Channels:40,organized into five isolated groups of 8 channels each.Output Characteristics:Off-state leakage current,maximum 350μA at 24V;continuous current rating,1-22mA;recommended output current,4-20mA;calibrated accuracy,±0.1%of full scale at 25°C;overall accuracy,±0.25%of full scale at 0-60°C;field voltage range,18-32VDC;maximum withstand voltage,-1 to+36VDC.
Isolation:50V reinforced insulation(continuous)between power groups;50V reinforced insulation(continuous)to the field common;250V basic insulation(fault)between channels within a power group.
Event Logging:Onboard Sequence of Events(SOE)reporting with 1ms resolution.
Operating Temperature Range:0-60°C.Features
High Reliability:Utilizing a TMR architecture,each output channel features triple redundancy,ensuring stable system operation even in the event of a single component failure.Certified according to IEC 61508,it meets SIL 3.
Comprehensive Diagnostics:Comprehensive automatic diagnostics and self-test capabilities detect output channel faults such as sticking,open circuits,and short circuits,and automatically monitor the condition of field wiring and load devices.
Overcurrent Protection:Each channel features automatic overcurrent protection,eliminating the need for external fuses.
Hot-Swap:Modules can be hot-swapped online for easy maintenance and upgrades.
Status Indicator:Front-panel LEDs display output status and module health.
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